/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package br.ufjf.posjava.cm.controller.action.paciente;

import br.ufjf.posjava.cm.model.DAO.PacienteDAO;
import br.ufjf.posjava.cm.model.Paciente;
import br.ufjf.posjava.cm.util.ClinicaMorpheusException;
import java.io.IOException;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Fabíola
 */
@WebServlet(name = "GravaPacienteAction", urlPatterns = {"/GravaPacienteAction"})
public class GravaPacienteAction extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");

        String idPaciente = request.getParameter("idPaciente");
        String nome = request.getParameter("cpNome");
        String btn = request.getParameter("btn");
        Paciente paciente;

        if (btn.equalsIgnoreCase("Gravar")) {
            paciente = new Paciente(0, nome);

            try {
                if (validar(paciente)) {
                    new PacienteDAO().inserir(paciente);
                }
                request.setAttribute("msg", "Paciente salvo com sucesso!");
                RequestDispatcher rd = request.getRequestDispatcher("ListarPacienteAction");
                rd.forward(request, response);
            } catch (ClinicaMorpheusException ex) {  //Minha Exceçao              
                RequestDispatcher rd = request.getRequestDispatcher("NovoPacienteAction");
                request.setAttribute("msg", ex.getMessage());
                rd.forward(request, response);
            } catch (ClassNotFoundException ex) {
                RequestDispatcher rd = request.getRequestDispatcher("index.jsp");
                request.setAttribute("msg", ex.getMessage());
                request.setAttribute("pag", "erro.jsp");
                rd.forward(request, response);
            } catch (SQLException ex) {
                RequestDispatcher rd = request.getRequestDispatcher("index.jsp");
                request.setAttribute("msg", ex.getMessage());
                request.setAttribute("pag", "erro.jsp");
                rd.forward(request, response);
            }
        } else if (btn.equalsIgnoreCase("Alterar")) {
            paciente = new Paciente(new Integer(idPaciente), nome);

            try {
                if (validar(paciente)) {
                    new PacienteDAO().alterar(paciente);
                }
                request.setAttribute("msg", "Paciente alterado com sucesso!");
                RequestDispatcher rd = request.getRequestDispatcher("ListarPacienteAction");
                rd.forward(request, response);
            } catch (ClinicaMorpheusException ex) {  //Minha Exceçao              
                RequestDispatcher rd = request.getRequestDispatcher("AlteraPacienteAction");
                request.setAttribute("msg", ex.getMessage());
                rd.forward(request, response);
            } catch (ClassNotFoundException ex) {
                RequestDispatcher rd = request.getRequestDispatcher("index.jsp");
                request.setAttribute("msg", ex.getMessage());
                request.setAttribute("pag", "erro.jsp");
                rd.forward(request, response);
            } catch (SQLException ex) {
                RequestDispatcher rd = request.getRequestDispatcher("index.jsp");
                request.setAttribute("msg", ex.getMessage());
                request.setAttribute("pag", "erro.jsp");
                rd.forward(request, response);
            }
        } else {
            //Abaixo a função do botão voltar
            RequestDispatcher rd = request.getRequestDispatcher("ListarPacienteAction");
            rd.forward(request, response);
        }
    }

    private boolean validar(Paciente paciente) throws ClinicaMorpheusException {
        if (paciente.getNome() == null || paciente.getNome().trim().equals("")) {
            throw new ClinicaMorpheusException("O nome do paciente é obrigatório.");
        }
        return true;
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
